"I would like to inform you of a change in our policy with respect to
bidding on <Comapny> trademarks and their derivatives on pay-per-click
search engines. Effective immediately, we are no longer allowing <Company>
affiliates to bid on <Company> trademark-related keywords. Some examples of
trademark-related keywords include:"
In the last few months 3 companies have sent me the message above. All 3
companies use
http://linkshare.com for their affiliate programs. Now is this
a LinkShare rule for its advertisers, a trademark related thing, or just 3
companies looking to make it harder for its affiliates?